OUR Products
The company has established production bases in Shandong and Guangdong, where it conducts research and development and production of current and temperature protection devices.
★ Product Dimensions
Model | A | B | C | D | E | |||||
SRL070 | 19.9 | 22.1 | 4.9 | 5.2 | 0.7 | 1.20 | 5.5 | 7.5 | 3.9 | 4.1 |
SRL100 | 20.9 | 23.1 | 4.9 | 5.2 | 0.6 | 1.00 | 4.1 | 5.5 | 3.9 | 4.1 |
SRL180 | 24.0 | 26.0 | 4.9 | 5.2 | 0.6 | 1.00 | 4.1 | 5.5 | 3.9 | 4.1 |
SRL190 | 21.3 | 23.4 | 10.2 | 11.0 | 0.5 | 1.10 | 5.0 | 7.6 | 4.8 | 5.4 |
SRL260 | 24.0 | 26.0 | 10.8 | 11.9 | 0.6 | 1.00 | 5.0 | 7.0 | 5.9 | 6.1 |
SRL300 | 28.4 | 31.8 | 13.0 | 13.5 | 0.5 | 1.10 | 6.3 | 8.9 | 6.0 | 6.6 |
SRL340 | 24.0 | 26.0 | 14.8 | 15.9 | 0.6 | 1.00 | 4.0 | 5.0 | 5.9 | 6.1 |
★ Electrical Characteristic
Model | IH (A) | IT (A) | V max (V) | I max (A) | Pd max (W) | R min (Ω) | R max (Ω) | |
SRL070 | 0.70 | 1.45 | 15 | 100 | 1.00 | 0.100 | 0.200 | |
SRL100 | 1.00 | 2.50 | 24 | 100 | 1.50 | 0.070 | 0.130 | |
SRL180 | 1.80 | 3.80 | 24 | 100 | 2.00 | 0.035 | 0.068 | |
SRL190 | 1.90 | 4.20 | 24 | 100 | 1.90 | 0.030 | 0.057 | |
SRL260 | 2.60 | 5.20 | 24 | 100 | 2.30 | 0.025 | 0.042 | |
SRL300 | 3.00 | 6.30 | 24 | 100 | 2.00 | 0.015 | 0.031 | |
SRL340 | 3.40 | 6.80 | 24 | 100 | 2.50 | 0.016 | 0.027 | |
★ Thermal Derating Chart-IH（ A）
Model | Maximum ambient operating temperatures（ ℃ ） | |||||||||
-40 | -20 | 0 | 20 | 40 | 50 | 60 | 70 | 80 | 85 | |
SRL070 | 1.32 | 1.21 | 0.99 | 0.7 | 0.63 | 0.6 | 0.5 | 0.39 | 0.32 | 0.26 |
SRL100 | 2.0 | 1.73 | 1.52 | 1.0 | 0.95 | 0.85 | 0.75 | 0.61 | 0.45 | 0.4 |
SRL180 | 2.6 | 2.4 | 2.1 | 1.8 | 1.69 | 1.59 | 1.39 | 1.27 | 1.12 | 1.06 |
SRL190 | 3.3 | 3.0 | 2.51 | 1.9 | 1.6 | 1.35 | 1.2 | 0.88 | 0.65 | 0.52 |
SRL260 | 4.3 | 3.8 | 3.1 | 2.6 | 1.9 | 1.7 | 1.4 | 1.1 | 0.8 | 0.6 |
SRL300 | 5.2 | 4.4 | 3.7 | 3.0 | 2.4 | 2.0 | 1.7 | 1.35 | 1.0 | 0.8 |
SRL340 | 4.8 | 4.4 | 4.0 | 3.4 | 3.0 | 2.8 | 2.6 | 2.4 | 2.3 | 1.7 |
★ Test Procedures And Requirements
Test | Test Conditions | Accept/Reject Criteria |
Resistance | In still air @ 25℃ | Rmin≤R≤Rmax |
Time to Trip | Specified current，Vmax，25℃ | Tmaximum Time to Trip |
Hold Current | 30min，at IH | No trip |
Trip Cycle Life | Vmax，Imax，1000cycles | No arcing or burning |
Trip Endurance | Vmax，24hours | No arcing or burning |
★ Physical Characteristics and Environmental Specifications
Physical Characteristics
Leadmaterial | 0.125mm nominal hickness,quarter-hardnickel |
Tape material | Polyester |
Environmental Specifications
Test | Conditions | ResistanceChange |
Passiveaging | 70℃,1000hours | ±10% |
Humidityaging | 85℃/85%RH.7days | ±5% |
Vibration | IL-STD-883C,TestConditionA | Nochage |
★ Electrical Specifications
Ihold=Hold current: maximum current device will not trip in 25℃ still air.
Itrip= Trip current: minimum current device will always trip in 25℃ still air.
Vmax=Maximum voltage device can withstand without damage at rated current(Imax).
Imax=Maximum fault current device can withstand without damage at rated voltage(vmax).
Pdmax= Power dissipated when device is in the tripped state in 25℃ still air environment at rated voltage.
Max Time-to-trip=Maximum time to trip(s) at assigned current.
Rmin=Minimum device resistance prior to tripping at 25℃.
Rmax=Maximum device resistance prior to tripping at 25℃.
R1max=Maximum device resistance one hour after it is tripped at 25℃
